Of any calisthenics exercise, pull-ups are the most difficult to perform and see improvements without significant time and effort. Your pulling muscles (biceps, latissimus dorsi, rear deltoids, ...

Massy Arias, a NASM- and ACE-certified personal trainer who has worked with the likes of Jordin Sparks and Kelly Rowland, said that she's a huge fan of circuit training. One of the benefits she ...

From her new book, this is the Jillian Michaels workout that increases your longevity, metabolism, and vitality—meet metabolic circuit training. Plenty of fitness modalities have come together to ...

BESIDES her acting career, Jennifer Aniston is known for her incredibly toned arms and abs. The 56-year-old has hit the ...

This is designed to warm up the legs with light, full-range-of-motion movements combined with cardio, stretching and/or foam rolling.

Our 30-minute Foundation Workout (A & B) workouts are designed for runners following our Runner's World Club 5K, 10K, half-marathon and marathons plans. Over the course of 12, 16 or 20 weeks, you will ...

With a new year is upon us, it’s an ideal time to evaluate your training goals and try some new workouts. High-intensity interval training (HIIT) is one of the most effective ways to get fit, fast, ...